我国商号选用的原则是：（）A.商号真实主义 B.商号自由主义 C.商号折中主义 D.

— Don't worry, Mum. The doctor said it was only the flu.

—_______! I'll tell Dad there's nothing serious.[ ]

A. What a relief    

B. Congratulations    

C. How surprising    

D. I'm so sorry

关于房产税的说法，正确的有（）。

A.我国的房产税属于个别房产税

B.城乡信用合作社自用房产免征财产税

C.居民住宅区内业主共有的经营性房产，一律依照租金收入计征房产税

D.地下建筑物若作工业用途，以房屋原价的40%～50%作为应税房产原值

E.地下建筑物若作商业用途，以房屋原价的70%～80%作为应税房产原值

Software quality assurance is now an (50) sub-discipline of software engineering. As Bucldy and Oston point out, (51) software quality assurance is likely to lead to an ultimate (52) of software costs. However, the major hurdle in the path of software management in this area is the lack of (53) software standards. The development of accepted and generally applicable standards should be one of the principal goals of (54) in software engineering.

54（）

A．management

B．planning

C．production

D．research

发现正电子的人是（）。

具有祛风湿，止痛，解表作用的药物是（）

A.独活

B.木瓜

C.防己

D.秦艽

E.豨莶草